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This package was removed from CRAN on 2021-04-21. Its history is shown below.
Reason: requires archived package 'fhidata'
Details below reflect version 2019.8.5, its last release before removal.

spread

2019.8.5

Infectious Disease Spread Models

0packages depend
downloads / year
test coverage
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Overview

About
Maintained by Richard White1 releasesCRAN page ↗

A stochastic SEIIaR (susceptible, exposed, infectious, infectious asymptomatic, recovered) metapopulation model that including commuting. Each location has a local infection system, while the locations are connected by people who commute each day. The model differentiates between day and night. During the day you can infect/be infected in the location where you work, while during the night you can infect/be infected in the location where you live. It is the same commuters who travel back and forth each day. At the start of a day, all commuters are sent to their work location, where they mix for 12 hours. The commuters are then sent to their respective home locations, where they mix for 12 hours. The model is loosely based upon a published model by Engebretsen (2019) doi:10.1371/journal.pcbi.1006879.

Install

Health

CRAN checks

CRAN check results are not tracked yet.

Code health
Yes
Tests · ratio 0.05
not tracked
Coverage
100%
Documentation · exports
7
Dependencies · direct

Documentation

Documentation
READMEYes · 143 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 67% structuredCode of conductNoContributing guideNo
Examples that run
100%
Documented parameters
100%
Return-value docs
0%
References docs
0%

Downloads

spread
Daily download trend is not available in this view yet.
Also on16 autocran

Dependencies

Declared dependencies
14 external dependencies (excludes base and recommended)
Depends (1)
R >= 3.5.0
LinkingTo (2)
Enhances (0)
none
Reverse dependencies
0direct
indirect (not tracked)

Nothing depends on this yet.

Code & Tests

People & History

People (3)
Maintainer (1)
Author, Maintainer
Authors (3)
Author, Maintainer
Package Timeline

1 release. R releases are shown for context.

  • R
    R 4.1.0 released · 2021-05-18
  • archivedRemoved from CRAN
    2021-04-21
    requires archived package 'fhidata'
  • R
    R 4.0.0 released · 2020-04-24
  • 2019.8.5
    2019-08-20
  • R
    R 3.6.0 released · 2019-04-26

Package metadata

Total releases
1
License
GPL-3 OSI
Minimum R
≥ 3.5.0
Bundled data
51 KB / 5 files
Download size
not tracked yet
Installed size
not tracked yet
With dependencies
not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("spread")
Engebretsen, S., Osnes, A. N., & White, R. (n.d.). spread: Infectious Disease Spread Models (Version 2019.8.5) [Computer software]. Retrieved August 13, 2026, from https://CRAN.R-project.org/package=spread

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for spread version 2019.8.5 [Data set]. HJJB, LLC. Data release v2026-08-13. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-13, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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